1. Inequalities and their Graphs2 3 4 5 6 7 8

2. Inequalities and their Graphs
Objective: To write and graph simple inequalities with one variable

3. Inequalities and their Graphs
What is a good definition for Inequality?
An inequality is a statement that two expressions are not equal 2 3 4 5 6 7 8

4. Inequalities and their Graphs
Terms you see and need to know to graph inequalities correctly
< less than
Notice open circles
> greater than

5. Inequalities and their Graphs
Terms you see and need to know to graph inequalities correctly
≤ less than or equal to
≥ greater than or equal to
Notice colored in circles

6. Inequalities and their Graphs
Let’s work a few together
Notice: when variable is on left side, sign shows direction of solution 3

7. Inequalities and their Graphs
Let’s work a few together
Notice: when variable is on left side, sign shows direction of solution 7

8. Inequalities and their Graphs
Let’s work a few together
Notice: when variable is on left side, sign shows direction of solution
Color in circle -2

9. Inequalities and their Graphs
Let’s work a few together
Notice: when variable is on left side, sign shows direction of solution 8
Color in circle

10. Try this one on your own

11. 12

12. On your Own

13. 12

14. On your Own

15. 2

16. Answer 1 through 5 1.

17. On your Own 2.

18. On your Own 3.

19. On your Own 4.

20. On your Own 5.

21. Answers: 1 through 5 5. 10 -6 25
-15 13

22. Answer 6 through 10 6.
b ≤ -7

23. On your Own 7.
a > 8

24. On your Own 8.
q ≥ -5

25. On your Own 9.
s < 14

26. On your Own
10.
m ≥ 8

27. Answers: 6 through 10
10. -7 8 -5 14 8

28. Graphing Inequalities
Excellent Job !!! Well Done